class mediator_interface_of_knowledge_base :
    def request_is_kb_type_stored ( self , kb_type ) :
        self . _modules . knowledge_base . request_is_kb_type_stored ( kb_type )
    def request_kb_types_starting_with ( self , prefix ) :
        self . _modules . knowledge_base . request_kb_types_starting_with ( prefix )
    def store_kb_type ( self , kb_type ) :
        self . _modules . knowledge_base . store_kb_type ( kb_type )
